Add information about contact's social graph to the state file
Aka the Dark Web of Trust data
Use ./goprotoc.sh to recompile client/disk/client.proto
Greet introduced contacts in GUI.
Rebased with newKeyExchange now outside beginPandaKeyExchange
Preliminary introduction screen and sidebar button to GUI.  Joint effort between Alan Fay <alan@faysoftware.com> and Ramnarayan Vedam <rvedam@gmail.com>
Better approach to the introductions GUI.
Added UI elements for Introductions Message Compose and Send.
Joint effort by Jeff Burdges <burdges@gmail.com> and Ram Vedam <rvedam@gmail.com>
Fill in the Dark Web of Trust values
Show the Dark Web of Trust records in contact information
Refactor composeUI into composeUI and newDraftUI.
Simplifies creating messages to specific recipients and makes the code more readable.